10 More Discussions You Might Find Interesting
1. UNIX for Advanced & Expert Users
How good is the compression rate of gzip when you use tar with the gzip option? I am pretty amazed that a 1 GB file was reduced to 1019K. This is what I did.
tar -cvf tar_test.tar.gz -T /list_of_files
ls -hl
-rw-r-----. 1 owner group 19 Jul 23 16:00 list_of_files
-rw-r-----. 1 owner group... (7 Replies)
Discussion started by: cokedude
7 Replies
2. Linux
Hi all,
I am working on a sample backup code, where i read the files per 7200 bytes and send it to server. Before sending to server, i compress each 7200 bytes using zlib compression algorithm using dictionary max length of 1.5 MB . I find zlib is slow.
Can anyone recommend me a... (3 Replies)
Discussion started by: selvarajvss
3 Replies
3. Shell Programming and Scripting
Hello everyone,
As the title suggests, I am attempting to test adding gzip compression to a connection to an application I am testing. Currently I have the application set up with httptunnel, which forwards the connection to the remote host.
I would like to use a script to intercept the... (5 Replies)
Discussion started by: haggismn
5 Replies
4. UNIX and Linux Applications
Hi Everyone,
I am a Ph.D student working on some image processing tasks and I have run into an interesting problem that I thought someone on here might have an idea about. This paper discusses a method to compare two images based upon the amount they can be compressed. Sorry, since this is my... (3 Replies)
Discussion started by: rudigarude
3 Replies
5. UNIX for Advanced & Expert Users
Hi All,
I have a random test file: test.txt, size: 146
$ ll test.txt
$ 146 test.txt
Take 1:
$ cat test.txt | gzip > test.txt.gz
$ ll test.txt.gz
$ 124 test.txt.gz
Take 2:
$ gzip test.txt
$ ll test.txt.gz
$ 133 test.txt.gz
As you can see, gzipping a file and piping into gzip... (1 Reply)
Discussion started by: hanfresco
1 Replies
6. UNIX for Dummies Questions & Answers
Hi Folks,
As I am familiar wih both types compresion forms: gun-zip and .rpm. My questions is how do I uncompress gunz.zip type? As the .rpm I can double click and it will extract...Can someone shed some light on this and thank you...
M (2 Replies)
Discussion started by: Mombo_Z
2 Replies
7. UNIX for Dummies Questions & Answers
Hello,
I have a .z file which i understand to be UNIX.
I'm on PC (no UNIX boxes) and have tried many different unzipping programs to extract this .z file, but only PicoZip has allowed me to view what is inside (telling me, i think, that it's not corrupt), but i have not been able to extract... (3 Replies)
Discussion started by: Gonecat
3 Replies
8. UNIX for Advanced & Expert Users
Hi everybody,
Does anybody know,whether linux-2.4.20-8 supports predictor1 compression in PPP protocol support,as i was able to see there were only two compression techniques that r being supported i.e bsd and
deflate compression from "make menuconfig" under network device... (0 Replies)
Discussion started by: sriram.ec
0 Replies
9. UNIX for Advanced & Expert Users
How can I move a file and compress it at the same time? (8 Replies)
Discussion started by: truma1
8 Replies
10. UNIX for Dummies Questions & Answers
I've noticed bzip2 gives a little bit better compression than gzip. So...I'm curious...what's gives the best compression out of all the compression utilities?
Thanks! (6 Replies)
Discussion started by: jalburger
6 Replies